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Finding the Fourth Proportional to 8,458.60, 12,630.33 and 7,463.11

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Solution

The fourth proportional to 8,458.60, 12,630.33 and 7,463.11 is: 11,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.60 : 12,630.33 = 7,463.11 : x
  2. Step 2: Convert to fraction form
    8,458.60/12,630.33 = 7,463.11/x
  3. Step 3: Cross multiply
    8,458.60x = 12,630.33 × 7,463.11
  4. Step 4: Simplify right side
    8,458.60x = 94,261,542.13
  5. Step 5: Solve for x
    x = 94,261,542.13/8,458.60
  6. Step 6: Final answer
    x = 11,143.87

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.